軸對稱元 的英文怎麼說
中文拼音 [zhóuduìchènyuán]
軸對稱元
英文
axisymmetric element-
Thirdly, while analyzing composite materials shell structure, the structural pre - flection nonlinear equation and engenfunction for resolving flection load are separately simplified in the axis symmetry shell ' s flection finite element analysis
本文在分析復合材料殼體結構時,軸對稱殼體的屈曲有限元分析對結構前屈曲非線性方程及屈曲載荷求解中的特徵方程分別作了簡化。By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described
摘要本文運用上限單元技術( ubet ) ,引入非完全軸對稱單元,模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程,推導出了成形過程中的速度場公式,並成功地描述了擠壓過程中的變形規律。The programme can solve two - dimensional stresses, strains and axial symmetry problems with different yield criteria. a satisfying solution has been put forward to the contact boundary between reinforcements and soil. the special problem of two contact plane elements at the joint between plate and strip has been solved
該程序能同時考慮平面應力、平面應變和軸對稱問題,並能運用不同的屈服準則,使其更具有通用性和適用性,成功地解決了筋材與土介質界面的接觸問題,較好地解決了墻面板與筋帶連接處出現兩個接觸面單元的特殊問題。A finite deformation finite element algorithm based on finite deformation theory of symmetrical mode was presented
摘要文章導出一種基於歐拉描述的有限變形軸對稱有限元計算方法,並用其模擬轉向節的鍛造成形過程。According to the test result, the mechanism of inorganically post - installed bars with cone - shaped heads was analyzed. and then the anchor intensity formula was formulated. the inorganically post - installed bars with cone - shaped head was carried on the finite element analysis on the spatial axial symmetry model
根據試驗結果,對帶錐頭無機植筋的受力機理進行了理論分析,推導出帶錐頭無機植筋的錨固強度公式,並利用空間軸對稱模型對帶錐頭無機植筋進行了有限元分析,提出了利用桿單元模擬鋼筋與混凝土之間的粘結滑移關系的方法。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。The study of the influence of the nonaxisymmetrical load in the progress of bamboo - fibre powder compression moulding with finite element
非軸對稱載荷對竹纖維粉體模壓成形影響的有限元研究A new axisymmetric curved shell element for thin thick shell
一種薄殼厚殼通用的軸對稱曲殼單元Optimization of combined hybrid axisymmetric finite elements
組合雜交軸對稱元的優化Through the analyzes of electromagnetic system of a axial symmetry by the method of electromagnetic vector potential, an eddy current field math model is build by triangle cell, this article has researched the effect of power frequency to eddy current density, penetration depth and the skin effect
本文以電磁場矢量位有限元法為基礎對二維軸對稱場的磁場強度、渦流密度進行了計算求解,採用三角形單元和六面體單元建立了渦流場數學模型,研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。It was found that there are lower pressure drop and better distribution in the radically variable cell diameter converter and the inlet loss of catalytic converter may be neglected when the velocity in cell passage is low
結果發現,三效催化器微元通道孔徑沿徑向的不同組合可以達到既不增加壓降、流速分佈又均勻的效果,而且在所計算的軸對稱三效催化器結構中,在通常的流量范圍內其進口損失可以忽略。Finite element eigenvalue analysis for dynamic buckling of cylindrical shells under axial elastic compression wave
軸向應力波作用下圓柱殼彈性軸對稱動力失穩有限元特徵值分析The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field
本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型,分析了不同頻率下渦流和溫度的分佈情況,並以八節點六面體等參元為例給出了渦流場對應的離散格式,通過計算渦流場獲得溫度場所需要的內熱源強度,加熱部件的溫度場以軸對稱格式進行離散求解,並對瞬態溫度場有限單元法的求解特點進行了分析。At the same time, the computing program is written by vc + +. in the program quadrilateral isoparametric element is used to calculate its temperature field and thermal stress field
選取四邊形等參元來計算軸對稱問題中的溫度場和熱應力場,用vc + +編制計算程序。The secondly, based upon the laboratory soil tests, definite the parameter of the kondner model and the loess compaction model, using fortran power station to compile the finite element programmed of axial symmetry. through trial calculate with the different squeeze stress and different poisson ratio, got some laws of stress of soil surrounding pile and judged the result of compaction pile. the result of the calculation and analysis and valuable to designer and builder
同時通過室內試驗確定了特定區域黃土的鄧肯-張模型參數和黃土擠密模型,採用fortranpowerstation ,按軸對稱問題編制了存限元程序,通過採用不同的擠壓力和不同的泊松比的程序試算,得到了一些樁周土體的應力變化規律,並對擠密樁破壞半徑內的土體擠密效果進行了判定,計算與分析結果可供設計施工人員參考。Zero energy - error is used to optimize combined hybrid axisymmetric finite elements ach8 and rach8 through adjusting the combined factor
數值實驗結果表明: ach8是高性能的軸對稱元。Three schemes of axisymmetric problems are given. secondly, axisymmetric element with energy compatibility is constructed in detail. the performance of this axisymmetric element is discussed by numerical examples
本文然後通過優化組合參數近似實現零能誤差的方法,分別對8參數能量協調軸對稱元ach8和近似能量協調軸對稱元rach8進行了優化。A new four - node axisymmetric element ach8 is derived based on the combined hybrid variational principle, which uses wilson ' s displacements and linear stress suffering from energy compatibility. the resulting element exhibits excellent results in displacements and stresses and is suitable for nearly incompressible materials without any locking phenomena, insensitive to mesh distortion
本文首先基於組合雜交變分原理推導出4節點的軸對稱元ach8 ,其位移插值採用wilson非協調位移模式,應力在等參坐標系下採用關于wilson位移完全能量協調的不完全線性多項式。Thirdly, zero energy - error is introduced and used to optimize combined hybrid axisymmetric finite elements through adjusting the combined factor. the influence of combined factor on axisymmetric elements is discussed. finally, the main points of the whole paper are summed up and some further thoughts are put forward
數值實驗結果表明:能量協調和近似能量協調的軸對稱元都具有高精度、不發生poissonlocking和對網格畸變不敏感的特點;經過優化之後的軸對稱元性能能夠得到進一步改善。分享友人